<!doctype html>
<html>
<head>
<meta charset='UTF-8'><meta name='viewport' content='width=device-width initial-scale=1'>
<title>CommonUtils</title><style type='text/css'>html {overflow-x: initial !important;}:root { --bg-color:#ffffff; --text-color:#333333; --select-text-bg-color:#B5D6FC; --select-text-font-color:auto; --monospace:"Lucida Console",Consolas,"Courier",monospace; }
html { font-size: 14px; background-color: var(--bg-color); color: var(--text-color); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased; }
body { margin: 0px; padding: 0px; height: auto; bottom: 0px; top: 0px; left: 0px; right: 0px; font-size: 1rem; line-height: 1.42857; overflow-x: hidden; background: inherit; tab-size: 4; }
iframe { margin: auto; }
a.url { word-break: break-all; }
a:active, a:hover { outline: 0px; }
.in-text-selection, ::selection { text-shadow: none; background: var(--select-text-bg-color); color: var(--select-text-font-color); }
#write { margin: 0px auto; height: auto; width: inherit; word-break: normal; overflow-wrap: break-word; position: relative; white-space: normal; overflow-x: visible; padding-top: 40px; }
#write.first-line-indent p { text-indent: 2em; }
#write.first-line-indent li p, #write.first-line-indent p * { text-indent: 0px; }
#write.first-line-indent li { margin-left: 2em; }
.for-image #write { padding-left: 8px; padding-right: 8px; }
body.typora-export { padding-left: 30px; padding-right: 30px; }
.typora-export .footnote-line, .typora-export li, .typora-export p { white-space: pre-wrap; }
@media screen and (max-width: 500px) {
  body.typora-export { padding-left: 0px; padding-right: 0px; }
  #write { padding-left: 20px; padding-right: 20px; }
  .CodeMirror-sizer { margin-left: 0px !important; }
  .CodeMirror-gutters { display: none !important; }
}
#write li > figure:last-child { margin-bottom: 0.5rem; }
#write ol, #write ul { position: relative; }
img { max-width: 100%; vertical-align: middle; }
button, input, select, textarea { color: inherit; font: inherit; }
input[type="checkbox"], input[type="radio"] { line-height: normal; padding: 0px; }
*, ::after, ::before { box-sizing: border-box; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p, #write pre { width: inherit; }
#write h1, #write h2, #write h3, #write h4, #write h5, #write h6, #write p { position: relative; }
p { line-height: inherit; }
h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 2; }
p { orphans: 4; }
h1 { font-size: 2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
.md-math-block, .md-rawblock, h1, h2, h3, h4, h5, h6, p { margin-top: 1rem; margin-bottom: 1rem; }
.hidden { display: none; }
.md-blockmeta { color: rgb(204, 204, 204); font-weight: 700; font-style: italic; }
a { cursor: pointer; }
sup.md-footnote { padding: 2px 4px; background-color: rgba(238, 238, 238, 0.7); color: rgb(85, 85, 85); border-radius: 4px; cursor: pointer; }
sup.md-footnote a, sup.md-footnote a:hover { color: inherit; text-transform: inherit; text-decoration: inherit; }
#write input[type="checkbox"] { cursor: pointer; width: inherit; height: inherit; }
figure { overflow-x: auto; margin: 1.2em 0px; max-width: calc(100% + 16px); padding: 0px; }
figure > table { margin: 0px !important; }
tr { break-inside: avoid; break-after: auto; }
thead { display: table-header-group; }
table { border-collapse: collapse; border-spacing: 0px; width: 100%; overflow: auto; break-inside: auto; text-align: left; }
table.md-table td { min-width: 32px; }
.CodeMirror-gutters { border-right: 0px; background-color: inherit; }
.CodeMirror-linenumber { user-select: none; }
.CodeMirror { text-align: left; }
.CodeMirror-placeholder { opacity: 0.3; }
.CodeMirror pre { padding: 0px 4px; }
.CodeMirror-lines { padding: 0px; }
div.hr:focus { cursor: none; }
#write pre { white-space: pre-wrap; }
#write.fences-no-line-wrapping pre { white-space: pre; }
#write pre.ty-contain-cm { white-space: normal; }
.CodeMirror-gutters { margin-right: 4px; }
.md-fences { font-size: 0.9rem; display: block; break-inside: avoid; text-align: left; overflow: visible; white-space: pre; background: inherit; position: relative !important; }
.md-diagram-panel { width: 100%; margin-top: 10px; text-align: center; padding-top: 0px; padding-bottom: 8px; overflow-x: auto; }
#write .md-fences.mock-cm { white-space: pre-wrap; }
.md-fences.md-fences-with-lineno { padding-left: 0px; }
#write.fences-no-line-wrapping .md-fences.mock-cm { white-space: pre; overflow-x: auto; }
.md-fences.mock-cm.md-fences-with-lineno { padding-left: 8px; }
.CodeMirror-line, twitterwidget { break-inside: avoid; }
.footnotes { opacity: 0.8; font-size: 0.9rem; margin-top: 1em; margin-bottom: 1em; }
.footnotes + .footnotes { margin-top: 0px; }
.md-reset { margin: 0px; padding: 0px; border: 0px; outline: 0px; vertical-align: top; background: 0px 0px; text-decoration: none; text-shadow: none; float: none; position: static; width: auto; height: auto; white-space: nowrap; cursor: inherit; -webkit-tap-highlight-color: transparent; line-height: normal; font-weight: 400; text-align: left; box-sizing: content-box; direction: ltr; }
li div { padding-top: 0px; }
blockquote { margin: 1rem 0px; }
li .mathjax-block, li p { margin: 0.5rem 0px; }
li { margin: 0px; position: relative; }
blockquote > :last-child { margin-bottom: 0px; }
blockquote > :first-child, li > :first-child { margin-top: 0px; }
.footnotes-area { color: rgb(136, 136, 136); margin-top: 0.714rem; padding-bottom: 0.143rem; white-space: normal; }
#write .footnote-line { white-space: pre-wrap; }
@media print {
  body, html { border: 1px solid transparent; height: 99%; break-after: avoid; break-before: avoid; }
  #write { margin-top: 0px; padding-top: 0px; border-color: transparent !important; }
  .typora-export * { -webkit-print-color-adjust: exact; }
  html.blink-to-pdf { font-size: 13px; }
  .typora-export #write { padding-left: 32px; padding-right: 32px; padding-bottom: 0px; break-after: avoid; }
  .typora-export #write::after { height: 0px; }
}
.footnote-line { margin-top: 0.714em; font-size: 0.7em; }
a img, img a { cursor: pointer; }
pre.md-meta-block { font-size: 0.8rem; min-height: 0.8rem; white-space: pre-wrap; background: rgb(204, 204, 204); display: block; overflow-x: hidden; }
p > .md-image:only-child:not(.md-img-error) img, p > img:only-child { display: block; margin: auto; }
p > .md-image:only-child { display: inline-block; width: 100%; }
#write .MathJax_Display { margin: 0.8em 0px 0px; }
.md-math-block { width: 100%; }
.md-math-block:not(:empty)::after { display: none; }
[contenteditable="true"]:active, [contenteditable="true"]:focus { outline: 0px; box-shadow: none; }
.md-task-list-item { position: relative; list-style-type: none; }
.task-list-item.md-task-list-item { padding-left: 0px; }
.md-task-list-item > input { position: absolute; top: 0px; left: 0px; margin-left: -1.2em; margin-top: calc(1em - 10px); border: none; }
.math { font-size: 1rem; }
.md-toc { min-height: 3.58rem; position: relative; font-size: 0.9rem; border-radius: 10px; }
.md-toc-content { position: relative; margin-left: 0px; }
.md-toc-content::after, .md-toc::after { display: none; }
.md-toc-item { display: block; color: rgb(65, 131, 196); }
.md-toc-item a { text-decoration: none; }
.md-toc-inner:hover { text-decoration: underline; }
.md-toc-inner { display: inline-block; cursor: pointer; }
.md-toc-h1 .md-toc-inner { margin-left: 0px; font-weight: 700; }
.md-toc-h2 .md-toc-inner { margin-left: 2em; }
.md-toc-h3 .md-toc-inner { margin-left: 4em; }
.md-toc-h4 .md-toc-inner { margin-left: 6em; }
.md-toc-h5 .md-toc-inner { margin-left: 8em; }
.md-toc-h6 .md-toc-inner { margin-left: 10em; }
@media screen and (max-width: 48em) {
  .md-toc-h3 .md-toc-inner { margin-left: 3.5em; }
  .md-toc-h4 .md-toc-inner { margin-left: 5em; }
  .md-toc-h5 .md-toc-inner { margin-left: 6.5em; }
  .md-toc-h6 .md-toc-inner { margin-left: 8em; }
}
a.md-toc-inner { font-size: inherit; font-style: inherit; font-weight: inherit; line-height: inherit; }
.footnote-line a:not(.reversefootnote) { color: inherit; }
.md-attr { display: none; }
.md-fn-count::after { content: "."; }
code, pre, samp, tt { font-family: var(--monospace); }
kbd { margin: 0px 0.1em; padding: 0.1em 0.6em; font-size: 0.8em; color: rgb(36, 39, 41); background: rgb(255, 255, 255); border: 1px solid rgb(173, 179, 185); border-radius: 3px; box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset; white-space: nowrap; vertical-align: middle; }
.md-comment { color: rgb(162, 127, 3); opacity: 0.8; font-family: var(--monospace); }
code { text-align: left; vertical-align: initial; }
a.md-print-anchor { white-space: pre !important; border-width: initial !important; border-style: none !important; border-color: initial !important; display: inline-block !important; position: absolute !important; width: 1px !important; right: 0px !important; outline: 0px !important; background: 0px 0px !important; text-decoration: initial !important; text-shadow: initial !important; }
.md-inline-math .MathJax_SVG .noError { display: none !important; }
.html-for-mac .inline-math-svg .MathJax_SVG { vertical-align: 0.2px; }
.md-math-block .MathJax_SVG_Display { text-align: center; margin: 0px; position: relative; text-indent: 0px; max-width: none; max-height: none; min-height: 0px; min-width: 100%; width: auto; overflow-y: hidden; display: block !important; }
.MathJax_SVG_Display, .md-inline-math .MathJax_SVG_Display { width: auto; margin: inherit; display: inline-block !important; }
.MathJax_SVG .MJX-monospace { font-family: var(--monospace); }
.MathJax_SVG .MJX-sans-serif { font-family: sans-serif; }
.MathJax_SVG { display: inline; font-style: normal; font-weight: 400; line-height: normal; zoom: 90%; text-indent: 0px; text-align: left; text-transform: none; letter-spacing: normal; word-spacing: normal; overflow-wrap: normal; white-space: nowrap; float: none; direction: ltr; max-width: none; max-height: none; min-width: 0px; min-height: 0px; border: 0px; padding: 0px; margin: 0px; }
.MathJax_SVG * { transition: none 0s ease 0s; }
.MathJax_SVG_Display svg { vertical-align: middle !important; margin-bottom: 0px !important; margin-top: 0px !important; }
.os-windows.monocolor-emoji .md-emoji { font-family: "Segoe UI Symbol", sans-serif; }
.md-diagram-panel > svg { max-width: 100%; }
[lang="mermaid"] svg, [lang="flow"] svg { max-width: 100%; height: auto; }
[lang="mermaid"] .node text { font-size: 1rem; }
table tr th { border-bottom: 0px; }
video { max-width: 100%; display: block; margin: 0px auto; }
iframe { max-width: 100%; width: 100%; border: none; }
.highlight td, .highlight tr { border: 0px; }


.CodeMirror { height: auto; }
.CodeMirror.cm-s-inner { background: inherit; }
.CodeMirror-scroll { overflow: auto hidden; z-index: 3; }
.CodeMirror-gutter-filler, .CodeMirror-scrollbar-filler { background-color: rgb(255, 255, 255); }
.CodeMirror-gutters { border-right: 1px solid rgb(221, 221, 221); background: inherit; white-space: nowrap; }
.CodeMirror-linenumber { padding: 0px 3px 0px 5px; text-align: right; color: rgb(153, 153, 153); }
.cm-s-inner .cm-keyword { color: rgb(119, 0, 136); }
.cm-s-inner .cm-atom, .cm-s-inner.cm-atom { color: rgb(34, 17, 153); }
.cm-s-inner .cm-number { color: rgb(17, 102, 68); }
.cm-s-inner .cm-def { color: rgb(0, 0, 255); }
.cm-s-inner .cm-variable { color: rgb(0, 0, 0); }
.cm-s-inner .cm-variable-2 { color: rgb(0, 85, 170); }
.cm-s-inner .cm-variable-3 { color: rgb(0, 136, 85); }
.cm-s-inner .cm-string { color: rgb(170, 17, 17); }
.cm-s-inner .cm-property { color: rgb(0, 0, 0); }
.cm-s-inner .cm-operator { color: rgb(152, 26, 26); }
.cm-s-inner .cm-comment, .cm-s-inner.cm-comment { color: rgb(170, 85, 0); }
.cm-s-inner .cm-string-2 { color: rgb(255, 85, 0); }
.cm-s-inner .cm-meta { color: rgb(85, 85, 85); }
.cm-s-inner .cm-qualifier { color: rgb(85, 85, 85); }
.cm-s-inner .cm-builtin { color: rgb(51, 0, 170); }
.cm-s-inner .cm-bracket { color: rgb(153, 153, 119); }
.cm-s-inner .cm-tag { color: rgb(17, 119, 0); }
.cm-s-inner .cm-attribute { color: rgb(0, 0, 204); }
.cm-s-inner .cm-header, .cm-s-inner.cm-header { color: rgb(0, 0, 255); }
.cm-s-inner .cm-quote, .cm-s-inner.cm-quote { color: rgb(0, 153, 0); }
.cm-s-inner .cm-hr, .cm-s-inner.cm-hr { color: rgb(153, 153, 153); }
.cm-s-inner .cm-link, .cm-s-inner.cm-link { color: rgb(0, 0, 204); }
.cm-negative { color: rgb(221, 68, 68); }
.cm-positive { color: rgb(34, 153, 34); }
.cm-header, .cm-strong { font-weight: 700; }
.cm-del { text-decoration: line-through; }
.cm-em { font-style: italic; }
.cm-link { text-decoration: underline; }
.cm-error { color: red; }
.cm-invalidchar { color: red; }
.cm-constant { color: rgb(38, 139, 210); }
.cm-defined { color: rgb(181, 137, 0); }
div.CodeMirror span.CodeMirror-matchingbracket { color: rgb(0, 255, 0); }
div.CodeMirror span.CodeMirror-nonmatchingbracket { color: rgb(255, 34, 34); }
.cm-s-inner .CodeMirror-activeline-background { background: inherit; }
.CodeMirror { position: relative; overflow: hidden; }
.CodeMirror-scroll { height: 100%; outline: 0px; position: relative; box-sizing: content-box; background: inherit; }
.CodeMirror-sizer { position: relative; }
.CodeMirror-gutter-filler, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-vscrollbar { position: absolute; z-index: 6; display: none; }
.CodeMirror-vscrollbar { right: 0px; top: 0px; overflow: hidden; }
.CodeMirror-hscrollbar { bottom: 0px; left: 0px; overflow: hidden; }
.CodeMirror-scrollbar-filler { right: 0px; bottom: 0px; }
.CodeMirror-gutter-filler { left: 0px; bottom: 0px; }
.CodeMirror-gutters { position: absolute; left: 0px; top: 0px; padding-bottom: 30px; z-index: 3; }
.CodeMirror-gutter { white-space: normal; height: 100%; box-sizing: content-box; padding-bottom: 30px; margin-bottom: -32px; display: inline-block; }
.CodeMirror-gutter-wrapper { position: absolute; z-index: 4; background: 0px 0px !important; border: none !important; }
.CodeMirror-gutter-background { position: absolute; top: 0px; bottom: 0px; z-index: 4; }
.CodeMirror-gutter-elt { position: absolute; cursor: default; z-index: 4; }
.CodeMirror-lines { cursor: text; }
.CodeMirror pre { border-radius: 0px; border-width: 0px; background: 0px 0px; font-family: inherit; font-size: inherit; margin: 0px; white-space: pre; overflow-wrap: normal; color: inherit; z-index: 2; position: relative; overflow: visible; }
.CodeMirror-wrap pre { overflow-wrap: break-word; white-space: pre-wrap; word-break: normal; }
.CodeMirror-code pre { border-right: 30px solid transparent; width: fit-content; }
.CodeMirror-wrap .CodeMirror-code pre { border-right: none; width: auto; }
.CodeMirror-linebackground { position: absolute; left: 0px; right: 0px; top: 0px; bottom: 0px; z-index: 0; }
.CodeMirror-linewidget { position: relative; z-index: 2; overflow: auto; }
.CodeMirror-wrap .CodeMirror-scroll { overflow-x: hidden; }
.CodeMirror-measure { position: absolute; width: 100%; height: 0px; overflow: hidden; visibility: hidden; }
.CodeMirror-measure pre { position: static; }
.CodeMirror div.CodeMirror-cursor { position: absolute; visibility: hidden; border-right: none; width: 0px; }
.CodeMirror div.CodeMirror-cursor { visibility: hidden; }
.CodeMirror-focused div.CodeMirror-cursor { visibility: inherit; }
.cm-searching { background: rgba(255, 255, 0, 0.4); }
@media print {
  .CodeMirror div.CodeMirror-cursor { visibility: hidden; }
}


:root { --side-bar-bg-color: #fafafa; --control-text-color: #777; }
html { font-size: 16px; }
body { font-family: "Open Sans", "Clear Sans", "Helvetica Neue", Helvetica, Arial, sans-serif; color: rgb(51, 51, 51); line-height: 1.6; }
#write { max-width: 860px; margin: 0px auto; padding: 30px 30px 100px; }
#write > ul:first-child, #write > ol:first-child { margin-top: 30px; }
a { color: rgb(65, 131, 196); }
h1, h2, h3, h4, h5, h6 { position: relative; margin-top: 1rem; margin-bottom: 1rem; font-weight: bold; line-height: 1.4; cursor: text; }
h1:hover a.anchor, h2:hover a.anchor, h3:hover a.anchor, h4:hover a.anchor, h5:hover a.anchor, h6:hover a.anchor { text-decoration: none; }
h1 tt, h1 code { font-size: inherit; }
h2 tt, h2 code { font-size: inherit; }
h3 tt, h3 code { font-size: inherit; }
h4 tt, h4 code { font-size: inherit; }
h5 tt, h5 code { font-size: inherit; }
h6 tt, h6 code { font-size: inherit; }
h1 { padding-bottom: 0.3em; font-size: 2.25em; line-height: 1.2; border-bottom: 1px solid rgb(238, 238, 238); }
h2 { padding-bottom: 0.3em; font-size: 1.75em; line-height: 1.225; border-bottom: 1px solid rgb(238, 238, 238); }
h3 { font-size: 1.5em; line-height: 1.43; }
h4 { font-size: 1.25em; }
h5 { font-size: 1em; }
h6 { font-size: 1em; color: rgb(119, 119, 119); }
p, blockquote, ul, ol, dl, table { margin: 0.8em 0px; }
li > ol, li > ul { margin: 0px; }
hr { height: 2px; padding: 0px; margin: 16px 0px; background-color: rgb(231, 231, 231); border: 0px none; overflow: hidden; box-sizing: content-box; }
li p.first { display: inline-block; }
ul, ol { padding-left: 30px; }
ul:first-child, ol:first-child { margin-top: 0px; }
ul:last-child, ol:last-child { margin-bottom: 0px; }
blockquote { border-left: 4px solid rgb(223, 226, 229); padding: 0px 15px; color: rgb(119, 119, 119); }
blockquote blockquote { padding-right: 0px; }
table { padding: 0px; word-break: initial; }
table tr { border-top: 1px solid rgb(223, 226, 229); margin: 0px; padding: 0px; }
table tr:nth-child(2n), thead { background-color: rgb(248, 248, 248); }
table tr th { font-weight: bold; border-width: 1px 1px 0px; border-top-style: solid; border-right-style: solid; border-left-style: solid; border-top-color: rgb(223, 226, 229); border-right-color: rgb(223, 226, 229); border-left-color: rgb(223, 226, 229); border-image: initial; border-bottom-style: initial; border-bottom-color: initial; margin: 0px; padding: 6px 13px; }
table tr td { border: 1px solid rgb(223, 226, 229); margin: 0px; padding: 6px 13px; }
table tr th:first-child, table tr td:first-child { margin-top: 0px; }
table tr th:last-child, table tr td:last-child { margin-bottom: 0px; }
.CodeMirror-lines { padding-left: 4px; }
.code-tooltip { box-shadow: rgba(0, 28, 36, 0.3) 0px 1px 1px 0px; border-top: 1px solid rgb(238, 242, 242); }
.md-fences, code, tt { border: 1px solid rgb(231, 234, 237); background-color: rgb(248, 248, 248); border-radius: 3px; padding: 2px 4px 0px; font-size: 0.9em; }
code { background-color: rgb(243, 244, 244); padding: 0px 2px; }
.md-fences { margin-bottom: 15px; margin-top: 15px; padding-top: 8px; padding-bottom: 6px; }
.md-task-list-item > input { margin-left: -1.3em; }
@media print {
  html { font-size: 13px; }
  table, pre { break-inside: avoid; }
  pre { overflow-wrap: break-word; }
}
.md-fences { background-color: rgb(248, 248, 248); }
#write pre.md-meta-block { padding: 1rem; font-size: 85%; line-height: 1.45; background-color: rgb(247, 247, 247); border: 0px; border-radius: 3px; color: rgb(119, 119, 119); margin-top: 0px !important; }
.mathjax-block > .code-tooltip { bottom: 0.375rem; }
.md-mathjax-midline { background: rgb(250, 250, 250); }
#write > h3.md-focus::before { left: -1.5625rem; top: 0.375rem; }
#write > h4.md-focus::before { left: -1.5625rem; top: 0.285714rem; }
#write > h5.md-focus::before { left: -1.5625rem; top: 0.285714rem; }
#write > h6.md-focus::before { left: -1.5625rem; top: 0.285714rem; }
.md-image > .md-meta { border-radius: 3px; padding: 2px 0px 0px 4px; font-size: 0.9em; color: inherit; }
.md-tag { color: rgb(167, 167, 167); opacity: 1; }
.md-toc { margin-top: 20px; padding-bottom: 20px; }
.sidebar-tabs { border-bottom: none; }
#typora-quick-open { border: 1px solid rgb(221, 221, 221); background-color: rgb(248, 248, 248); }
#typora-quick-open-item { background-color: rgb(250, 250, 250); border-color: rgb(254, 254, 254) rgb(229, 229, 229) rgb(229, 229, 229) rgb(238, 238, 238); border-style: solid; border-width: 1px; }
.on-focus-mode blockquote { border-left-color: rgba(85, 85, 85, 0.12); }
header, .context-menu, .megamenu-content, footer { font-family: "Segoe UI", Arial, sans-serif; }
.file-node-content:hover .file-node-icon, .file-node-content:hover .file-node-open-state { visibility: visible; }
.mac-seamless-mode #typora-sidebar { background-color: var(--side-bar-bg-color); }
.md-lang { color: rgb(180, 101, 77); }
.html-for-mac .context-menu { --item-hover-bg-color: #E6F0FE; }
#md-notification .btn { border: 0px; }
.dropdown-menu .divider { border-color: rgb(229, 229, 229); }
.ty-preferences .window-content { background-color: rgb(250, 250, 250); }
.ty-preferences .nav-group-item.active { color: white; background: rgb(153, 153, 153); }
html{font-size: 13px; background-color: #eeefee;}
body {max-width: 800px;margin: 15px auto;background: #fff; border: 1px solid #bbb;box-sizing: border-box; box-shadow: 0 0 2px 0 #bbb;}
*{
  color: #686868;
}
#write h1 {
  text-align: center;
}
#down_button {
  all: unset;
  display: block;
  position: fixed;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  z-index: 9999;
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<div  id='write'  class = 'is-node'><h1><a name="commonutils" class="md-header-anchor"></a><span>CommonUtils</span></h1><blockquote><p><strong><span>Author: zhuzhaofeng</span></strong></p><p><strong><span>DateTime: 2019年9月11日20:33:55</span></strong></p></blockquote><ul><li class='md-task-list-item task-list-item task-list-not-done' ><input type='checkbox' disabled='disabled' /><p><span>数据校验</span></p></li><li class='md-task-list-item task-list-item task-list-not-done' ><input type='checkbox' disabled='disabled' /><p><span>字符串操作</span></p></li><li class='md-task-list-item task-list-item task-list-not-done' ><input type='checkbox' disabled='disabled' /><p><span>时间格式化</span></p></li><li class='md-task-list-item task-list-item task-list-not-done' ><input type='checkbox' disabled='disabled' /><p><span>数据处理等</span></p></li><li class='md-task-list-item task-list-item task-list-not-done' ><input type='checkbox' disabled='disabled' /><p><span>通用方法</span></p></li></ul><h4><a name="是否是字符串" class="md-header-anchor"></a><span>是否是字符串</span></h4><h5><a name="isstring" class="md-header-anchor"></a><code>isString()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是数字" class="md-header-anchor"></a><span>是否是数字</span></h4><h5><a name="isnumber" class="md-header-anchor"></a><code>isNumber()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是数组</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是数组" class="md-header-anchor"></a><span>是否是数组</span></h4><h5><a name="isarray" class="md-header-anchor"></a><code>isArray()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是数组</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是方法" class="md-header-anchor"></a><span>是否是方法</span></h4><h5><a name="isfunction" class="md-header-anchor"></a><code>isFunction()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是方法</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是undefined" class="md-header-anchor"></a><span>是否是undefined</span></h4><h5><a name="isundefined" class="md-header-anchor"></a><code>isUndefined()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是undefined</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是对象" class="md-header-anchor"></a><span>是否是对象</span></h4><h5><a name="isobject" class="md-header-anchor"></a><code>isObject()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>val</span></td><td><span>Object</span></td><td>&nbsp;</td><td><span>检验传入数据是否是对象</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="是否是移动端" class="md-header-anchor"></a><span>是否是移动端</span></h4><h5><a name="ismobile" class="md-header-anchor"></a><code>isMobile()</code></h5><p><code>params</code><span>: </span></p><blockquote><p><span>无</span></p></blockquote><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="去除字符串左边空格" class="md-header-anchor"></a><span>去除字符串左边空格</span></h4><h5><a name="triml" class="md-header-anchor"></a><code>trimL()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要去除左边空格的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="去除字符串右边空格" class="md-header-anchor"></a><span>去除字符串右边空格</span></h4><h5><a name="trimr" class="md-header-anchor"></a><code>trimR()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要去除右边空格的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="去除字符串左右两边空格" class="md-header-anchor"></a><span>去除字符串左右两边空格</span></h4><h5><a name="trim" class="md-header-anchor"></a><code>trim()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要去除两边空格的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="去除字符串中所有空格" class="md-header-anchor"></a><span>去除字符串中所有空格</span></h4><h5><a name="trimall" class="md-header-anchor"></a><code>trimAll()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要去除所有空格的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="字符串是否为空" class="md-header-anchor"></a><span>字符串是否为空</span></h4><h5><a name="isempty" class="md-header-anchor"></a><code>isEmpty()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要判断的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="字符串是否不为空" class="md-header-anchor"></a><span>字符串是否不为空</span></h4><h5><a name="isnotempty" class="md-header-anchor"></a><code>isNotEmpty()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>str</span></td><td><span>String</span></td><td><span>空字符串</span></td><td><span>需要判断的字符串</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Boolean</code></p><h4><a name="获取当前时间戳" class="md-header-anchor"></a><span>获取当前时间戳</span></h4><h5><a name="unix" class="md-header-anchor"></a><code>unix()</code></h5><p><code>params</code><span>: </span></p><blockquote><p><span>无</span></p></blockquote><p><code>return</code><span>:  </span><code>Number</code></p><h4><a name="获取今天0点0分0秒的时间戳" class="md-header-anchor"></a><span>获取今天0点0分0秒的时间戳</span></h4><h5><a name="todayunix" class="md-header-anchor"></a><code>todayUnix()</code></h5><p><code>params</code><span>: </span></p><blockquote><p><span>无</span></p></blockquote><p><code>return</code><span>:  </span><code>Number</code></p><h4><a name="获取今年1月1日0点0分0秒的时间戳" class="md-header-anchor"></a><span>获取今年1月1日0点0分0秒的时间戳</span></h4><h5><a name="yearunix" class="md-header-anchor"></a><code>yearUnix()</code></h5><p><code>params</code><span>: </span></p><blockquote><p><span>无</span></p></blockquote><p><code>return</code><span>:  </span><code>Number</code></p><h4><a name="根据时间戳获取星期" class="md-header-anchor"></a><span>根据时间戳获取星期</span></h4><h5><a name="yearunix" class="md-header-anchor"></a><code>yearUnix()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>timeStamp</span></td><td><span>String</span></td><td><span>timeStamp</span></td><td><span>时间戳</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>number</code></p><h4><a name="将时间戳格式化为对象-如下" class="md-header-anchor"></a><span>将时间戳格式化为对象 如下</span></h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="json"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="json"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">{</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">year</span>: <span class="cm-string">"年"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">month</span>: <span class="cm-string">"月"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">day</span>: <span class="cm-string">"日"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">hours</span>: <span class="cm-string">"时"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">minute</span>: <span class="cm-string">"分"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">second</span>: <span class="cm-string">"秒"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">quarter</span>: <span class="cm-string">"季度"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-property">week</span>: <span class="cm-string">"星期"</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">}</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 224px;"></div><div class="CodeMirror-gutters" style="display: none; height: 224px;"></div></div></div></pre><h5><a name="formatobject" class="md-header-anchor"></a><code>formatObject()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>timeStamp</span></td><td><span>String</span></td><td><span>当前时间戳</span></td><td><span>需要格式化的时间戳</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="获取日期" class="md-header-anchor"></a><span>获取日期</span></h4><h5><a name="formatdate" class="md-header-anchor"></a><code>formatDate()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>spe</span></td><td><span>String</span></td><td><span>/</span></td><td><span>分隔符(传入 zh 显示年月日)</span></td></tr><tr><td><span>timeStamp</span></td><td><span>String</span></td><td><span>当前时间戳</span></td><td><span>需要格式化的时间戳</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="获取时间" class="md-header-anchor"></a><span>获取时间</span></h4><h5><a name="formattime" class="md-header-anchor"></a><code>formatTime()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>timeStamp</span></td><td><span>String</span></td><td><span>当前时间戳</span></td><td><span>需要获取的时间戳</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="根据参数格式化为自定义时间" class="md-header-anchor"></a><span>根据参数格式化为自定义时间</span></h4><h5><a name="format" class="md-header-anchor"></a><code>format()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>params</span></td><td><span>Object</span></td><td><span>如下</span></td><td><span>配置参数</span></td></tr></tbody></table></figure><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="javascript"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="javascript"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">{</span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-comment">/** 时间戳 */</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">timeStamp</span>: <span class="cm-string">""</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-comment">/** 分隔符(传入 zh 显示年月日) */</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">spe</span>: <span class="cm-string">"/"</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-comment">/** 是否返回日期 */</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">isDate</span>: <span class="cm-atom">true</span>,</span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-comment">/** 是否返回时间 */</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-variable">isTime</span>: <span class="cm-atom">true</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">};</span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 224px;"></div><div class="CodeMirror-gutters" style="display: none; height: 224px;"></div></div></div></pre><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="转换时间-如下需求" class="md-header-anchor"></a><span>转换时间 如下需求</span></h4><pre spellcheck="false" class="md-fences md-end-block ty-contain-cm modeLoaded" lang="bash"><div class="CodeMirror cm-s-inner CodeMirror-wrap" lang="bash"><div style="overflow: hidden; position: relative; width: 3px; height: 0px; top: 0px; left: 8px;"><textarea autocorrect="off" autocapitalize="off" spellcheck="false" tabindex="0" style="position: absolute; bottom: -1em; padding: 0px; width: 1000px; height: 1em; outline: none;"></textarea></div><div class="CodeMirror-scrollbar-filler" cm-not-content="true"></div><div class="CodeMirror-gutter-filler" cm-not-content="true"></div><div class="CodeMirror-scroll" tabindex="-1"><div class="CodeMirror-sizer" style="margin-left: 0px; margin-bottom: 0px; border-right-width: 0px; padding-right: 0px; padding-bottom: 0px;"><div style="position: relative; top: 0px;"><div class="CodeMirror-lines" role="presentation"><div role="presentation" style="position: relative; outline: none;"><div class="CodeMirror-measure"><pre><span>xxxxxxxxxx</span></pre></div><div class="CodeMirror-measure"></div><div style="position: relative; z-index: 1;"></div><div class="CodeMirror-code" role="presentation" style=""><div class="CodeMirror-activeline" style="position: relative;"><div class="CodeMirror-activeline-background CodeMirror-linebackground"></div><div class="CodeMirror-gutter-background CodeMirror-activeline-gutter" style="left: 0px; width: 0px;"></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 1分钟以前 显示 刚刚</span></span></pre></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 1分钟~1小时 显示xx分钟前</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 1小时~1天 显示 xx小时前</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 1天~1个月(31天)前 显示 xx天前</span></span></pre><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment"># 大于1个月 显示 xx年xx月xx日</span></span></pre></div></div></div></div></div><div style="position: absolute; height: 0px; width: 1px; border-bottom: 0px solid transparent; top: 112px;"></div><div class="CodeMirror-gutters" style="display: none; height: 112px;"></div></div></div></pre><h5><a name="converttime" class="md-header-anchor"></a><code>convertTime()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>timeStamp</span></td><td><span>String</span></td><td><span>当前时间戳</span></td><td><span>需要转换的时间戳</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>String</code></p><h4><a name="递归遍历json数组--生成json树" class="md-header-anchor"></a><span>递归遍历json数组  生成JSON树</span></h4><h5><a name="converttotreedata" class="md-header-anchor"></a><code>convertToTreeData()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>jsonArr</span></td><td><span>Array</span></td><td><span>[]</span></td><td><span>需要遍历的json数组</span></td></tr><tr><td><span>selfIdField</span></td><td><span>String</span></td><td><span>id</span></td><td><span>每条数据id字段</span></td></tr><tr><td><span>parentIdField</span></td><td><span>Array</span></td><td><span>parentId</span></td><td><span>每条数据父级id字段</span></td></tr><tr><td><span>parentld</span></td><td><span>Array</span></td><td><code>&quot;&quot;</code></td><td><span>最顶级数据 父级id值</span></td></tr></tbody></table></figure><h4><a name="函数防抖连续操作只执行最后一次" class="md-header-anchor"></a><span>函数防抖(连续操作只执行最后一次)</span></h4><h5><a name="debounce" class="md-header-anchor"></a><code>debounce()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>fn</span></td><td><span>Function</span></td><td><span>无</span></td><td><span>函数</span></td></tr><tr><td><span>delay</span></td><td><span>String/Number</span></td><td><span>200</span></td><td><span>间隔</span></td></tr></tbody></table></figure><p><code>return</code><span>:  </span><code>Object</code><span> json树</span></p><h4><a name="函数节流连续操作只执行最后一次" class="md-header-anchor"></a><span>函数节流(连续操作只执行最后一次)</span></h4><h5><a name="throttle" class="md-header-anchor"></a><code>throttle()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>fn</span></td><td><span>Function</span></td><td><span>无</span></td><td><span>函数</span></td></tr><tr><td><span>delay</span></td><td><span>String/Number</span></td><td><span>200</span></td><td><span>间隔</span></td></tr></tbody></table></figure><h4><a name="单继承-属性复制" class="md-header-anchor"></a><span>单继承 属性复制</span></h4><h5><a name="extend" class="md-header-anchor"></a><code>extend()</code></h5><p><code>params</code><span>: </span></p><figure><table><thead><tr><th><span>参数</span></th><th><span>类型</span></th><th><strong><span>默认值</span></strong></th><th><span>说明</span></th></tr></thead><tbody><tr><td><span>target</span></td><td><span>Object</span></td><td><span>无</span></td><td><span>目标对象</span></td></tr><tr><td><span>source</span></td><td><span>Object</span></td><td><span>无</span></td><td><span>间隔</span></td></tr></tbody></table></figure><p><code>return</code><span>: </span><code>Object</code><span>合并后的对象</span></p></div>


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